A well geometry for multiwell plates is provided, wherein a well is formed with an open end, a closed end and a side wall extending therebetween, the side wall including four spaced-apart rectangular panels and four rounded corners. The corners are each located to join, and extend between, a pair of...http://www.google.co.uk/patents/US7128878?utm_source=gb-gplus-sharePatent US7128878 - Multiwell plate
